Experts Baffled to Find 8,000 Ancient Frog and Toad Bones Near an Iron Age Site. 'This Is a Puzzling and Unexpected Find' ...
In prehistoric times, western Wyoming was a land of lethal extremes. When it rained, it poured for months on end, and when the monsoons ceased, the area became so hot and dry that it was deadly ...
The productive Paleozoic era gave rise to hard-shelled organisms, vertebrates, amphibians, and reptiles. Dinosaurs ruled the Earth in the mighty Mesozoic. And 64 million years after dinosaurs went ...